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. 2022 Nov 16;14(11):718–730. doi: 10.4253/wjge.v14.i11.718

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©The Author(s) 2022. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

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Quality of evidence assessed by Grading Recommendations Assessment, Development, and Evaluation. ¹There was risk of bias in selection of the reported result according to ROB-2; ²High heterogeneity. CI: Confidence interval; ERCP: Endoscopic retrograde cholangiopancreatography; RCT: Randomized controlled trials; RR: Risk ratio.